ffmpeg.wasm 是做什麼的？
基於 WebAssembly 的瀏覽器端 FFmpeg
基於 WebAssembly 的瀏覽器端 FFmpeg
這項技能提供的是 ffmpeg.wasm，一個將 FFmpeg 移植到瀏覽器環境的 WebAssembly 實作。它讓開發者無需依賴伺服器端處理，直接在客戶端的瀏覽器中執行音訊與視訊的編碼、解碼、轉換、裁剪、合成等操作。該技能支援所有現代瀏覽器，並可整合到 React、Vue 等前端框架中。其運作原理是透過 WebAssembly 將 FFmpeg 的核心函式庫編譯成瀏覽器可執行的二進位碼，再利用 JavaScript API 進行呼叫與控制。使用此技能能顯著降低伺服器負載、保護使用者資料隱私，並實現即時的媒體處理體驗。
npx skills add ffmpegwasm/ffmpeg.wasm基於 WebAssembly 的瀏覽器端 FFmpeg
Extract frames or short clips from videos using ffmpeg.
Summarize or transcribe URLs, YouTube/videos, podcasts, articles, transcripts, PDFs, and local files.
Use when testing, fixing, or extending the OpenClaw Control UI GUI with Vitest + Playwright end-to-end checks, mocked Gateway WebSocket flows, mocked dashboard runs, screenshots/videos, or agent-verifiable browser proof.
Obra superpowers agent skills.
See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio...
End-to-end marketing campaign planning and execution. Covers audience research, positioning, campaign angle definition, landing page copy, email sequences, social posts, ad copy, short-form video scripts, and content calendars. Use as the orchestration layer for multi-channel product launches. Use when planning or executing a multi-channel product launch, or producing landing page, email, social, or ad copy.